body {
    background-color: #d2e9fb;
}

.msgk {
    margin: 10px;
    padding: 20px;
    background-color: #fff;
    border-radius: 20px;
}

.b-head-pic {
    width: 60px;
    height: 60px;
    float: left;
}

.b-content {
    margin-top: 15px;
    font-size: 16px;
}

span {
    white-space: pre-wrap;
}

.b-ft {
    color: #aaa;
}

.b-fn {
}

.b-topic-nt {
    /*margin: 60px;*/
    font-size: 18px;
    margin-left: 80px;
}